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  1. Black Rot and Frogeye Leaf Spot of Apple

    https://ohioline.osu.edu/factsheet/plpath-fru-07

    develop a series of brown and black concentric bands or rings. The rotted fruit finally turns black. The ... dark-brown concentric rings and a purple margin giving it a “frogeye” appearance. Black pycnidia, like those ... leaf spot are phases of a widespread and damaging disease of apple and crabapple. The fruit rot phase ...

  2. Masked Chafers

    https://ohioline.osu.edu/factsheet/ENT-51

    rapidly recover after rain or irrigation. Heavy infestations result in turf dying in irregular patches ... . Birds, skunks, raccoons and opossums commonly dig up turf around the dead patches. Moles may tunnel ... Entomology Masked chafers are beetles that have larvae, called white grubs, which can attack managed turf ...

  3. Pest Alert: Spotted Lanternfly in Grape Production

    https://ohioline.osu.edu/factsheet/ent-0098

    masses typically look brown to gray in appearance and have a claylike texture. The nymphal stages of ...

  4. Ripe Rot of Grape

    https://ohioline.osu.edu/factsheet/plpath-fru-0052

    disease that primarily occurs in warm, moist, growing regions in the southeastern United States. However, ... during fruit maturation. The disease is caused by multiple species of the fungus Colletotrichum. Ripe rot ... to undesirable flavors and color. Disease Development and Symptoms Ripe rot is caused by multiple ...

  5. Managing Corn in Response to Severe Storms and Short-Term Weather Stressors

    https://ohioline.osu.edu/factsheet/anr-0151

    Additionally, foliar fungicides at the tassel stage (VT) or later can help protect against disease if pressure ... is high, but the effect is minimal when disease pressure is low. When hail damage exists and corn is ... Also, harvesting corn as silage earlier in the season can avoid further disease development and preserve ...

  6. Japanese Beetle

    https://ohioline.osu.edu/factsheet/ENT-46

    like old carpet to reveal the grubs. Large populations of grubs kill the turf in irregular patches ... usually in high-quality urban turf. Beetle skeletonizing a leaf Hosts The adult beetles are general ... most commonly damage turf. The turf first appears off-color as if under water stress. Irrigating causes ...

  7. The Organic Certification Process for Farms

    https://ohioline.osu.edu/factsheet/sag-0003

    SAG-0003 Agriculture and Natural Resources 05/22/2024 Revised by: Cassandra Brown, Program ... nurse or cover crops. Organic disease and pest control focuses on prevention through naturally bred ... disease resistance and crop rotations, with organically approved pesticides allowed, especially for ...

  8. Rebecca Brown

    https://ansci.osu.edu/our-people/rebecca-brown-0

    Rebecca Brown Research Associate brown.8357@osu.edu 2029 Fyffe Ct. Columbus, Ohio- Any- Journal ...

  9. Monitoring and Managing Spotted Wing Drosophila in Fruit Crops

    https://ohioline.osu.edu/factsheet/ent-0086

    small (less than 4 mm), its body is light yellowish brown, and it has red eyes. However, SWD has some ...

  10. Dollar Spot on Turfgrass

    https://ohioline.osu.edu/factsheet/HYG-3075

    programs to avoid excessive nitrogen fertility, which aggravates other diseases such as brown patch.  Avoid ... adequate soil moisture for continuous and optimal turf growth. Chemical Control. Used early in disease ... disease lawn and turf dollar spot bluegrass turfgrass symptoms chemical control yellow spots on grass ...

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